Trajectory plots

## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-07-25 to
## 2021-07-25 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-07-26 to
## 2021-07-26 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-07-25 to
## 2021-07-25 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-07-26 to
## 2021-07-26 in geography '*': no results